testscheduler.java

操作系统的线程模拟程序

class TestScheduler extends Thread {

    public static void main(String [] args) {
   	Scheduler mySched =   new RoundScheduler();
   	
		// or new RoundRobinScheduler() - when written
		// or new PriorityScheduler()  - when written
    Thread p1 = new SimProc(mySched, "Alan", 4) ;//轮转开始
   	Thread p2 = new SimProc(mySched, "Brian", 4) ;
	Thread p3 = new SimProc(mySched, "Charles", 4) ; 
	Thread p4 = new SimProc(mySched, "Dave", 5) ;
	Thread p5 = new SimProc(mySched, "Edward", 5) ;
	Thread p6 = new SimProc(mySched, "Francis", 5) ;//轮转结束
	/*	Scheduler mySched =   new FifoScheduler();
    Thread p1 = new SimProc(mySched, "Alan", 1) ;//优先级开始
	Thread p2 = new SimProc(mySched, "Brian", 2) ;
	Thread p3 = new SimProc(mySched, "Charles", 3) ; 
	Thread p4 = new SimProc(mySched, "Dave", 4) ;
	Thread p5 = new SimProc(mySched, "Edward", 5) ;
	Thread p6 = new SimProc(mySched, "Francis", 6) ;//优先级结束*/
	mySched.start();
    }
}